diff --git a/go.mod b/go.mod
index 04997f4..e93e196 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/elastic/celfmt
 
 go 1.24.0
 
-toolchain go1.25.4
+toolchain go1.25.5
 
 require (
 	github.com/elastic/mito v1.24.0